8791380 has 162 divisors, whose sum is σ = 30674826. Its totient is φ = 2036736.

The previous prime is 8791373. The next prime is 8791411. The reversal of 8791380 is 831978.

It can be written as a sum of positive squares in 9 ways, for example, as 2471184 + 6320196 = 1572^2 + 2514^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 517132 + ... + 517148.

Almost surely, 2^8791380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8791380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15337413).

8791380 is an abundant number, since it is smaller than the sum of its proper divisors (21883446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8791380 is a wasteful number, since it uses less digits than its factorization.

8791380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8791380 is about 2965.0261381647. The cubic root of 8791380 is about 206.3885900489.

The spelling of 8791380 in words is "eight million, seven hundred ninety-one thousand, three hundred eighty".